Exodus 23:15

You shall keep the solemnity of unleavened bread. For seven days you shall eat unleavened bread, just as I instructed you, at the time of the month of new grain, when you departed from Egypt. You shall not appear empty-handed in my sight

Other versions

King James Version

Thou shalt keep the feast of unleavened bread: (thou shalt eat unleavened bread seven days, as I commanded thee, in the time appointed of the month Abib; for in it thou camest out from Egypt: and none shall appear before me empty:)

English Standard Version

You shall keep the Feast of Unleavened Bread. As I commanded you, you shall eat unleavened bread for seven days at the appointed time in the month of Abib, for in it you came out of Egypt. None shall appear before me empty-handed.

New International Version

"Celebrate the Feast of Unleavened Bread; for seven days eat bread made without yeast, as I commanded you. Do this at the appointed time in the month of Abib, for in that month you came out of Egypt. "No one is to appear before me empty-handed.